[单项选择]Employers and policy makers call for improvements in education because ______.
A. international competition demands capable and responsible workers
B. economic competitiveness demands students with advanced technology
C. productivity cannot be further raised with the present educational level
D. schools overemphasize working skills at the expense of academic skills

[单项选择]Employers and policy makers call for improvements in education because __________.
A. international competition demands capable and responsible workers
B. economic competitiveness demands students with advanced technology
C. productivity can not be further raised with the present educational level
D. schools overemphasize working skills at the expense of academic skills

[单项选择]Why would policy makers need to regulate all firms that produce differentiated products
A. Because such products are so common in the economy.
B. Because there is no easy way for policymakers to fix the problem.
C. Because they want to enforce marginal-cost pricing.
D. Because monopolistic competitors are making zero profits.

[单项选择]Sometimes the imprudence ______ some policy-makers results in heavy losses to the national interests.
A. in the place of
B. for the sake of
C. in view of
D. on the part of

[单项选择]

For some employers, the policy of lifelong employment is particularly important because it means that they can put money and effort into their staff(职员) training and make them loyal to the company. What they do is to select young people who have potential(潜能) and who can be trained. They then give the young people the kinds of skills that will make them suitable employees for the company. In other words, they adjust their training to their particular needs.
One recently employed graduate says that she is receiving a great deal of valuable training from the company. "This means that I will be a loyal employee," she says, "And it also means that the company will want to keep me. I am an important investment for them. So the policy is a good one because it benefits both the employer and the employee."
Recently, however, attitudes towards lifelong employment are beginning to change. Employees are slowly beginning to accept the idea that lifelong em
A. adjust the needs of the company to its employees
B. make employees loyal to their company
C. select the best skilled young employees
D. keep the skilled staff satisfied

[单项选择]The relationship between employers and employees has been studied ______.
A. originally
B. extremely
C. violently
D. intensively

[单项选择]What were cigarette makers accused of


A. Bribing government officials.
B. Misleading the public about the health risks of smoking.
C. Engaging in a conspiracy to overthrow the government.
D. Defrauding the Supreme Court.

[单项选择]Using a policy with the policy-rematch flag enabled, what happens to the existing and new sessions when you change the policy action from permit to deny?（）
A. The new sessions matching the policy are denied. The existing sessions are dropped.
B. The new sessions matching the policy are denied. The existingsessions, not being allowed tocarry any traffic, simply timeout.
C. The new sessions matching the policy might be allowed through if they match another policy. The existing sessions are dropped.
D. The new sessions matching the policy are denied. The existing sessions continue until they are completed or their time.